If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: ! K8 K5 J- @' M6 U% k% R. q. z% W! q- y4 s1 q \* M
(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot4 f. ]. E+ v3 C' K8 Y& D* G: m8 P6 i& r
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(2) To buy a round or square think-glass-disk with diameter or side length of 1 inch. If you can't find it, you can go 99 cents stores or dollartree to buy a large-clear-cloth-button at similar size.! _% o K# Q+ s" h$ M
7 z( z, g- c" [" \1 f% [(3) Prepare Epoxy well, spread the paste to one side of the glass or button, attach it to the crack-upper-end from inside of windshield. Wait for 24 hrs. It'll be as solid as a rock and permanently stop the crack extension.